spheroplast

American  

[sfeer-uh-plast, sfer-] / ˈsfɪər əˌplæst, ˈsfɛr- /

noun

Bacteriology.

1. a Gram-negative bacterial cell with a cell wall that has been altered or is partly missing, resulting in a spherical shape.

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Etymology

Origin of spheroplast

First recorded in 1915–20; sphero- + -plast